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Poster: Steve Nordby Date: May 27, 2008 6:20pm
Forum: prelinger Subject: Re: Re-transcoding of some important films

I seem to recall reading long ago that the process the Archive used was to transfer the film to BetaSP tape, then make an mpeg2 from tape, then make all the more compressed formats from the mpeg2. I'm pretty sure they aren't doing it that way for new material. The last big addition to the Prelinger Archive a few years ago included "editable" mpeg4 versions. They didn't look quite as good as the mpeg2 version, they were MUCH smaller files.

Mpeg4 is a wide ranging standard that can be anything from low bitrate, postage stamp sized Web video to high definition. H.264 and xvid are both variations on mpeg4.

Anyway, my suggestion to anyone that needs to convert formats is to get ffmpeg. It's a free command line tool that can convert nearly any video format to nearly any other.

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Poster: Scribble Date: May 28, 2008 6:20am
Forum: prelinger Subject: Re: Re-transcoding of some important films

virtualdub with the mpeg plug in is very good as well...

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Poster: Steve Nordby Date: May 31, 2008 11:46am
Forum: prelinger Subject: Re: Re-transcoding of some important films

Yes, virtualdub is another wonderful free video editing tool that people (at least Windows users) in this forum should know about.

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